May 2021 - Page 60 of 69

How To Horizontally Scale a Laravel 4 App with a PostgreSQL Database — step-by-step Linux tutorial on Progressive Robot

How To Horizontally Scale a Laravel 4 App with a PostgreSQL Database

There are two methods to scaling an application, service, server, etc. The first, vertical scaling, calls for more resources to a machine. The second, horizontal scaling, calls for a separation of functionality to create a more piecemeal assembly of parts. This tutorial will show you how to horizontally scale a Laravel 4 App with a PostgreSQL database.

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SLES 12 — targetcli-fb — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — targetcli-fb — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:2086-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-13867 Upstream summary: Open-iSCSI targetcli-fb through 2.1.52 has weak permissions for /etc/target (and for the backup directory and backup files). Table of contents Symptom & […]

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How to Install AIDE for File Integrity on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install AIDE for File Integrity on RHEL 10

Introduction How to Install AIDE for File Integrity on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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Oracle Linux 8 — java-17-openjdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-17-openjdk — security and stability fixes — required update (ELSA-2023-4159)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4159 Related CVEs: CVE-2023-22045 CVE-2023-22036 CVE-2023-22049 CVE-2023-25193 CVE-2023-22006 CVE-2023-22041 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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AlmaLinux 8 — cobbler — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — cobbler — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3355 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Gentoo Linux — net-libs/libtirpc — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-libs/libtirpc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202210-33 Related CVEs: CVE-2021-46828 Upstream summary: Currently svc_run does not handle poll timeout and rendezvous_request does not handle EMFILE error returned from accept(2 as it used to. These two missing functionality were […]

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Common Problems 115514

Filesystem Remounted Read-Only After I/O Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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Common Problems 112542

Windows Server 2019 – RunAs fails with logon type 2 not granted – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 01 April 2027 Affected versions: Windows Server 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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